Theanine

Details of Theanine:

Other name: L-Theanine; N5-Ethyl-L-glutamine; N-ethyl-L-glutamine; N'-Ethyl-L-glutamine; N-gamma-ethyl-L-glutamine

Appearance: White powder

Specification: 99%

CAS No.: 3081-61-6

EINECS No.: 221-379-0

MF: C7H14N2O3

MW:  174.1977

Introduction of Theanine:

Theanine is an amino acid and a glutamic acid analog primarily found in tea . Theanine is found in tea and used as a supplement by humans. Theanine was discovered as a constituent of green tea in 1949 and was approved in Japan in 1964 for unlimited use in all foods, including chocolates, soft drinks, and herb teas, except infant foods. It also provides a unique umami flavor to green tea infusion.

Function of Theanine:

1. Able to cross the blood–brain barrier, theanine has psychoactive properties. Theanine has been studied for its potential ability to reduce mental and physical stress,improve cognition, and boost mood and cognitive performance in a synergistic manner with caffeine. 

2. The combination of theanine and caffeine has been shown to promote faster simple reaction time, faster numeric working memory reaction time and improved sentence verification accuracy. 

3. Theanine may help the body's immune response to infection by boosting the disease-fighting capacity of gamma delta T cells.